/*一层*/
.d1{
    display: flex;
    height: 360px;
    width: 1200px;
    margin-top: 10px;
}
/*卡片*/
.d1-text {
    font-size: 14px;
}

.d1-item {
    margin-bottom: 10px;
}

.d1-clearfix:before,
.d1-clearfix:after {
    display: table;
    content: "";
}

.d1-clearfix:after {
    clear: both
}

.d1-box-card {
    width: 200px;
    height: 360px;
}

/*走马灯*/
.d1-block {
      margin: auto;
      height: 100%;
  }

.d1-carousel {
    margin: auto;
    width: 776px;
    height: 360px;
}

.el-carousel__item h3 {
    color: #475669;
    font-size: 18px;
    opacity: 0.75;
    line-height: 360px;
    margin: 0;
}

.el-carousel__item:nth-child(2n) {
    background-color: #99a9bf;
}

.el-carousel__item:nth-child(2n+1) {
    background-color: #d3dce6;
}

/*课程卡片*/
.box-card {

}

.k-image {
    height: 126px;
    width: 224px;
    /*display: block;*/
}

.ks_icon{
    width: 30%;
    margin: 20px auto auto auto;
    display: block;
}

.z_text {
    float: left;
    transform: translateX(-50%);
    margin-left: 50%;
    margin-top: 10px;
    margin-bottom: 10px;
}

.se_text {
    font-size: 13px;
    color: #999;
}